Magnetic susceptibility and exchange coupling in the mineral ardennite
Journal of Physics and Chemistry of Solids
By: A. N. Thorpe, F. E. Senftle, and G. Donnay
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Abstract
Ardennite, a rare silicate mineral, contains about 19 wt.% manganese. Some of the manganese atoms are in positions which are close enough to allow negative exchange and hence a reduction of the total magnetic susceptibility. It is shown that the susceptibility can be accounted for approximately by the treatment of Earnshaw and Lewis (1958) for S =52 and a Hamiltonian H = −2gμHb−2JS1·S2.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Magnetic susceptibility and exchange coupling in the mineral ardennite |
| Series title | Journal of Physics and Chemistry of Solids |
| DOI | 10.1016/0022-3697(69)90149-8 |
| Volume | 30 |
| Issue | 9 |
| Year Published | 1969 |
| Language | English |
| Publisher | Elsevier |
| Description | 5 p. |
| First page | 2235 |
| Last page | 2239 |